CONTENTS 



CHAPTER PAGE 



Foreword to the American Edition iii 



Foreword to the First British Edition vii 



1 Introduction 1 



2 Geometrical Electron Optics 4 



3 Electron Wave Optics 16 



4 Electron Microscopes Without Lenses 25 



5 Electron Microscopes of the Transmission 



Type (Supermicroscopes) 29 



6 The Origin of Contrast in Electron Micro- 



scopic Images 40 



7 The Resolution Limit of the Uncorrected 



Electron Microscope 56 



8 The Detection Limit of the Uncorrected 



Electron Microscope 62 



9 Description of Commercial Electron Micro- 



scopes 65 



10 Achievements of Electron Microscopy 85 



11 The Scanning Microscope 95 



12 Possibilities of Future Development 99 



13 The Ultimate Limit of Electron Microscopy 127 



14 Chemical and Structural Analysis by the 



Electron Microscope 137 



APPENDIX 



Diffraction Theory of the Electron Micro- 

 scope 142 



Bibliography 151 



Index 159 



V 



62170 



